Glass refers to a solid material made from heating sand or other substances until they become molten and then cooling it rapidly. It is transparent or translucent with smooth surfaces and can be shaped into various forms.
Related terms
Window: A transparent opening in a wall or door that allows light to enter and offers a view of the outside.
Mirror: A reflective surface made from glass coated with a thin layer of metal, used for viewing reflections.
Bottle: A container typically made of glass used for storing liquids such as beverages or medicines.